An EF1 tornado touched down east of Waymart during a powerful thunderstorm midafternoon Tuesday, according to the National Weather Service.
Weather officials say they're investigating other potential tornadoes in Putnam and Orange counties.
The second tornado was in Oxford with an estimated peak winds of 100 miles per hour that moved along a 4.5 mile path between Southbury and Oxford. A slightly weaker tornado hit Patterson.
In Orange County, police said at 11-year-old girl was killed when the auto she was in was crushed by a tree on Robinson Avenue in Newburgh.
The National Weather Service said an EF1 tornado with an estimated peak winds of 110 miles per hour moved along a 9.5 mile path between Beacon Falls and Hamden.
Putnam County is now in a state of emergency.
At the height of the storm, over 200,000 utility customers were without power, mainly in the Mid-Hudson Region. Two people - including an 11-year-old girl - were killed during the storm.
With 80 percent of the city still without power, residents came together Wednesday to grill meat and share food.